The TPS65021 device is an integrated power management IC for applications powered by one Li-Ion or Li-Polymer cell, and which requires multiple power rails. The TPS65021 device provides three highly efficient, step-down converters targeted at providing the core voltage, peripheral, I/O, and memory rails in a processor-based system. All three step-down converters enter a low-power mode at light load for maximum efficiency across the widest possible range of load currents.

The TPS65021 device also integrates two general-purpose 200-mA LDO voltage regulators, which are enabled with an external input pin. Each LDO operates with an input voltage range from 1.5 V to 6.5 V, thus allowing them to be supplied from one of the step-down converters or directly from the battery. The default output voltage of the LDOs can be digitally set to 4 different voltage combinations using the DEFLDO1 and DEFLDO2 pins. The serial interface can be used for dynamic voltage scaling, masking interrupts, or for disabling or enabling and setting the LDO output voltages. The interface is compatible with both the fast and standard mode I2C specifications, allowing transfers at up to 400 kHz. The TPS65021 device is available in a 40-pin (RHA) VQFN package, and operates over a free-air temperature of –40°C to +85°C.

• 1.2-A, 97% Efficient Step-Down Converter for System Voltage (VDCDC1)
• 1-A, Up to 95% Efficient Step-Down Converter for Memory Voltage (VDCDC2)
• 900-mA, 90% Efficient Step-Down Converter for Processor Core (VDCDC3)
• 30-mA LDO and Switch for Real-Time Clock (VRTC)
• 2 × 200-mA General-Purpose LDO
• Dynamic Voltage Management for Processor Core
• Preselectable LDO Voltage Using Two Digital Input Pins
• Externally Adjustable Reset Delay Time
• Battery Backup Functionality
• Separate Enable Pins for Inductive Converters
• I2C-Compatible Serial Interface
• 85-μA Quiescent Current
• Low-Ripple PFM Mode
• Thermal Shutdown Protection
• 40-Pin 6-mm × 6-mm VQFN Package

• Regulated outputs (#)
• 6
• Vin (Min) (V)
• 2.5
• Vin (Max) (V)
• 6
• Iout (Max) (A)
• 1.2
• Rating
• Catalog
• LDO
• 3
• Iq (Typ) (mA)
• 0.085
• Features
• Comm Control, Power Good, Power Sequencing
• Processor name
• PXA
• Processor supplier
• Marvell
• Shutdown current (ISD) (Typ) (uA)
• 23
• Switching frequency (Typ) (kHz)
• 1500
• Configurability
• Hardware configurable, Software configurable

TPS65021的完整型号有：TPS65021RHAR、TPS65021RHAT，以下是这些产品的关键参数及官网采购报价：

TPS65021RHAR，工作温度：-40 to 85，封装：VQFN (RHA)-40，包装数量MPQ：2500个，MSL 等级/回流焊峰值温度：Level-3-260C-168 HR，引脚镀层/焊球材料：NIPDAU，TI官网TPS65021RHAR的批量USD价格：3.241（1000+）

TPS65021RHAT，工作温度：-40 to 85，封装：VQFN (RHA)-40，包装数量MPQ：250个，MSL 等级/回流焊峰值温度：Level-3-260C-168 HR，引脚镀层/焊球材料：NIPDAU，TI官网TPS65021RHAT的批量USD价格：3.889（1000+）

TPS65021EVM-110 — TPS65021EVM 评估模块

The TPS65021EVM-110 is an evaluation tool for the TPS65021 multi-output Power Management IC. It features multiple DC/DC step-down Converters, several LDOs, an I2C interface and is designed to supply processors like the Intel Xscale Bulverde PXA27x series, TI OMAP16xx and OMAP17xx as well as other (...)